<nav class="navbar navbar-expand-lg navbar-dark bg-dark" >
    <a class="navbar-brand" style="color: #fff" href="#">后台管理系统</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>

    <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav ml-auto">
            <li class="nav-item  active">
                <a class="nav-link" href="#">{$Think.session.admin_name}</a>
                <div></div>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#">回到前台</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="{:url('user/logout')}">退出登录</a>
            </li>
<!--            <li class="nav-item dropdown">-->
<!--                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">-->
<!--                    Dropdown-->
<!--                </a>-->
<!--                <div class="dropdown-menu" aria-labelledby="navbarDropdown">-->
<!--                    <a class="dropdown-item" href="#">Action</a>-->
<!--                    <a class="dropdown-item" href="#">Another action</a>-->
<!--                    <div class="dropdown-divider"></div>-->
<!--                    <a class="dropdown-item" href="#">Something else here</a>-->
<!--                </div>-->
<!--            </li>-->
        </ul>

    </div>
</nav>